14.2 Theoretical Probability

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# 14.2 Theoretical Probability - PowerPoint PPT Presentation

14.2 Theoretical Probability. SWBAT find the theoretical probability of an event SWBAT compute probabilities of simple and combined events. Vocabulary. Probability- the chance that a given event will occur in an experiment Random Experiment- when you don’t know what the outcome will be

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### 14.2 Theoretical Probability

SWBAT find the theoretical probability of an event

SWBAT compute probabilities of simple and combined events

Vocabulary
• Probability- the chance that a given event will occur in an experiment
• Random Experiment- when you don’t know what the outcome will be
• Sample Space- the set of all possible outcomes
• Theoretical Probability- when you use a formula to find the probability of an event occurring
Number Cube
• What is the probability of rolling a number greater than 4?
• What is the probability of rolling a prime number?
• What is the probability of rolling an even number?
Alphabet
• What is the probability of picking a vowel?
• What is the probability of picking a letter in the word mathematics?
• What is the probability of picking a letter that spells your name?
An integer from 1 to 20
• What is the probability of picking a prime number?
• What is the probability of picking an even number?
• What is the probability of picking a number less than or equal to 8?
• What is the probability of picking a number less than 5 and greater than or equal to 12?
• What is the probability of picking a number less than 5 or great than or equal to 12?